GeoRef, Copyright 2008, American Geological Institute. Abstract, Copyright, Society of Economic Geologists. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

Abstract

The method, which employs an organic reagent, p-dimethylamino benzal rhodanine, in the solvent extraction, is rapid, cheap, relatively sensitive, and free from interferences from typical trace elements.